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Russian Journal of Non-Ferrous Metals

, Volume 60, Issue 2, pp 152–161 | Cite as

Manufacturing Process and Interface Properties of Vacuum Rolling Large-Area Titanium-Steel Cladding Plate

  • Chang-gen Shi
  • Xuan YangEmail author
  • He-sheng Shi
  • Zhong-hang Fang
  • Ze-rui Sun
  • Ke Feng
  • Fei Shao
PRESSURE TREATMENT OF METALS
  • 1 Downloads

Abstract

In order to obtain large-area titanium-steel cladding plate by vacuum rolling, the manufacturing process was discussed with the Hypermesh/LS-DYNA simulation software. The result showed that the reduction rates of each rolling pass were 20, 25 and 33%, respectively. And the total rate was 60%. Moreover, the vacuum rolling process mainly included the following steps: welding preparation, drilling vacuum holes, composite and assembly, vacuum extraction, accumulative seal welding, preheating and rolling. The final size of the cladding plate was 1650 × 12000 × (4 + 40) mm. It could be found that the vacuum rolling interface of the titanium-steel cladding plate was mainly divided into four parts: steel layer (I), decarburized layer (II), bonding layer (III) and titanium layer (IV). Acicular widmanstatten structure of β-titanium was formed in zone IV, which might reduce the impact toughness of joint. The microhardness test results showed that the hardness near the interface was relatively high. Macroscopically, the average shear strength (297 MPa) and the average tensile strength (590 MPa) were both much higher than the standard. However, the brittle fracture mode of shear specimens might decrease the joint property of vacuum rolling cladding plate.

Keywords:

vacuum rolling titanium-steel cladding plate bonding interface interface properties 

Notes

ACKNOWLEDGMENTS

This work was supported by the National Natural Science Foundation of China (grant no. 51541112).

ADDITIONAL INFORMATION

ORCID ID of the correspondence author: https://orcid.org/0000-0002-3413-4563.

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Copyright information

© Allerton Press, Inc. 2019

Authors and Affiliations

  • Chang-gen Shi
    • 1
  • Xuan Yang
    • 1
    Email author
  • He-sheng Shi
    • 2
  • Zhong-hang Fang
    • 1
  • Ze-rui Sun
    • 1
  • Ke Feng
    • 1
  • Fei Shao
    • 1
  1. 1.Army Engineering University of PLANanjingChina
  2. 2.Jiangsu Runbang New Materials GroupNanjingChina

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